Experiment: 2OT5

Crystal structure of the HIV gp41 core with the enfuvirtide resistance mutation N43D

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1STZ	pdb entry 1STZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.3	298	0.05M sodium acetate, 0.2M ammonium sulfate, 23% PEG 4000, 10% glycerol, pH 4.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.025	α = 90
b = 51.025	β = 90
c = 59.668	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	RIGAKU RAXIS IV		2005-07-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.56	17.76	84.7	0.035	30.9	4.95	8182	6929	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.56	1.62	17.2		0.502	2	1.52	144

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	pdb entry 1STZ	1.8	17.76	5378	5347	583	99.4	0.234	0.234	0.2304	0.258	0.2559	random	34.141

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.218	-1.643		0.218		-0.436

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_d	0.867
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	545
Nucleic Acid Atoms
Solvent Atoms	25
Heterogen Atoms

Software

Software
Software Name	Purpose
d*TREK	data scaling
CNS	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
d*TREK	data reduction
CNS	phasing